import React from 'react';
import ReactDOM from 'react-dom/client';
import './index.css';
import App from './App';
import reportWebVitals from './reportWebVitals';
//导入 store.js. 
import store from './redux/store';

const root = ReactDOM.createRoot(document.getElementById('root'));

root.render(<App/> );

//添加 redux 的订阅
store.subscribe(() => {
  //重新渲染整个组件
  root.render(<App />);
});

// If you want to start measuring performance in your app, pass a function
// to log results (for example: reportWebVitals(console.log))
// or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals
reportWebVitals();
